Parameter Values Description
Au Information Cont Off, AU Info
Controls the insertion of private data in the adaptation unit
of the audio access units (AU). AU Info is defined in ETSI
TR 101 154. Only AU_PTS is present for audio
Advanced
Lip Sync Offset -500 to 500 ms
Configures a delay to the audio to improve A/V
synchronization.
Gain -6 to 6dB Sets the gain in dB for the audio stream.
Language
The language of the stream when not in dual mono (1+1)
mode.
Language (Left)
The language of the left channel when in dual mono (1+1)
mode.
Language (Right)
The language of the right channel when in dual mono
(1+1) mode.
User Language 1
A custom three-character language code when User
Language 1 is set in any of the language fields.
User Language 2
A custom three-character language code when User
Language 2 is set in any of the language fields.
MPEG Version MPEG1, MPEG2 Configures if MPEG-1 or MPEG-2 to be ignaled.
Copyright Off, On Indicates if the material is copyright protected.
Original Off, On Indicates if source is the original or a copy
De-emphasis Off, 50/15us, CCITT J.17
To meet the MPEG-1 Layer 2 encoding algorithm
specification the audio must not have pre-emphasis
applied. If the input signal does have pre-emphasis
applied, a de-emphasis filter must be applied prior to
encoding.
Table 5.101 Dolby Digital Parameters
Parameter Values Description
Bit Rate
56, 64, 80, 96, 112, 128, 160, 192, 224, 256,
320, 384, 448, 512, 576, 640
Bit Rate of the audio stream. The available options depend
on the selected coding mode.
Coding Mode
1/0 (Left – input), 1/0 (Right – input), 1/0 (L+R)/2,
2/0, 3/2L (5.1 Surround)
Specifies what channel configuration to use for encoding.
Metadata Controls
Coding Mode
Off, On
Override default coding mode with coding mode indicated
in decoder program configuration or live metadata (if
present).
Metadata source type
Embedded/Decoded Auto, Serial Port (Program
1 to 8)
Selects where live metadata comes from.
Metadata override
type
None, All, Compression Profile, Dialogue
Normalization, Comp Profile and Dial Norm
Defines which metadata parameters to override.
Metadata Reversion
Mode
Last Used, Preset
Determines which metadata is used upon loss of live
metadata.
Metadata preset type 1 to 8
Defines which metadata preset to use if Preset is selected
for Metadata Reversion Mode.
Embedded PCR On, Off
Controls whether PCR is to be embedded in the audio
PES.
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